Daily Practice

Higher

30th May 1980

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 84. Work out y when x = 11.
2
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 25 cm and an angle of 39°. Work out the side opposite that angle, to 1 decimal place.
3
Probability Trees3 marks
4 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
5
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.7070... as a fraction in its simplest form.

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